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PrequelToTheSQL
Starting Member

2 Posts
Posted - 05/06/2012 :  22:24:11  Show Profile  Reply with Quote
im writing a query that calculates how many minutes it took for the first person to register to a website

the start time at 2012-3-13 17:22:00 and registration times are in a table

i think im using timediff function like this:

select timediff(minute, 2012-3-13 17:22:00, reg.registrationDateTime)
from reg
order by registrationDateTime
limit 1;

but this is not working... what am i doing wrong?

visakh16
Very Important crosS Applying yaK Herder

India
48087 Posts
Posted - 05/06/2012 :  22:50:55  Show Profile  Reply with Quote
are you using sql server? limit and timediff are not t-sql functions. you should be using top and datediff instead

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SQL Server MVP
http://visakhm.blogspot.com/
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PrequelToTheSQL
Starting Member

2 Posts
Posted - 05/06/2012 :  23:07:33  Show Profile  Reply with Quote
well my teacher told me to use timediff function for mysql

regardless, even using datediff and top returns the same exact syntax error:

Records: in 0.0003 sec
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '17:22:00, reg.registrationDateTime) from reg order by registrationDateTi' at line 1
Edited by - PrequelToTheSQL on 05/06/2012 23:08:28
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visakh16
Very Important crosS Applying yaK Herder

India
48087 Posts
Posted - 05/06/2012 :  23:11:48  Show Profile  Reply with Quote
quote:
Originally posted by PrequelToTheSQL

well my teacher told me to use timediff function for mysql

regardless, even using datediff and top returns the same exact syntax error:

Records: in 0.0003 sec
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '17:22:00, reg.registrationDateTime) from reg order by registrationDateTi' at line 1

As expected you're using mysql which is another dbms
This is ms sql server forum and people here are mostly familiar with only t-sql.
So please post in some mysql forums for getting mysql related help

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SQL Server MVP
http://visakhm.blogspot.com/
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